Asked by MonkeyDolittle

The sides of a triangle are x, y, and sqrt(x^2+xy+y^2. Determine the Largest Angle.
Answered by Reiny
clearly √(x^2 + xy + y^2) is greater than either x or y

since the largest angle in any triangle is opposite the largest side .....
Answered by Renee
in 1990 the life expectancy of males in a certain country was 64.7 years. In 1994 it was 67.3 let E represent the life expectancy in year t and let t represent the number of years since 1990.
What is the linear function E(t) that fits the data? what would the life expectancy of males be in 2009?
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